Accessibility: Make sure StaticText is marked read-only

Test more of the text properties. This is still very incomplete, but a
small step forward.
Also make sure that editable text reports the editable state.

Fixes: QTBUG-75002
Change-Id: I9e43c980d8fa91671acb4e40e5d9162854884ee7
Reviewed-by: Jan Arve Sæther <jan-arve.saether@qt.io>

src/quick/accessible/qaccessiblequickitem.cpp

@@ -382,6 +382,22 @@ QString QAccessibleQuickItem::text(QAccessible::Text textType) const
     return QString();
 }
 
+void QAccessibleQuickItem::setText(QAccessible::Text textType, const QString &text)
+{
+    if (role() != QAccessible::EditableText)
+        return;
+    if (textType != QAccessible::Value)
+        return;
+
+    if (QTextDocument *doc = textDocument()) {
+        doc->setPlainText(text);
+        return;
+    }
+    auto textPropertyName = "text";
+    if (object()->metaObject()->indexOfProperty(textPropertyName) >= 0)
+        object()->setProperty(textPropertyName, text);
+}
+
 void *QAccessibleQuickItem::interface_cast(QAccessible::InterfaceType t)
 {
     QAccessible::Role r = role();

src/quick/accessible/qaccessiblequickitem_p.h

@@ -83,6 +83,7 @@ public:
     QAccessible::State state() const override;
     QAccessible::Role role() const override;
     QString text(QAccessible::Text) const override;
+    void setText(QAccessible::Text, const QString &text) override;
 
     bool isAccessible() const;
 

src/quick/items/qquickaccessibleattached_p.h

@@ -128,13 +128,19 @@ public:
             case QAccessible::Button:
             case QAccessible::MenuItem:
             case QAccessible::PageTab:
-            case QAccessible::EditableText:
             case QAccessible::SpinBox:
             case QAccessible::ComboBox:
             case QAccessible::Terminal:
             case QAccessible::ScrollBar:
                 m_state.focusable = true;
                 break;
+            case QAccessible::EditableText:
+                m_state.editable = true;
+                m_state.focusable = true;
+                break;
+            case QAccessible::StaticText:
+                m_state.readOnly = true;
+                break;
             default:
                 break;
             }

tests/auto/quick/qquickaccessible/data/text.qml

@@ -28,4 +28,22 @@ Item {
         Accessible.name: "The Hello 2 accessible text"
         Accessible.description: "A text description"
     }
+
+    TextInput {
+        x: 100
+        y: 80
+        width: 200
+        height: 40
+        text: "A text input"
+        Accessible.role: Accessible.EditableText
+    }
+
+    TextEdit {
+        x: 100
+        y: 120
+        width: 200
+        height: 100
+        text: "A multi-line text edit\nTesting Accessibility."
+        Accessible.role: Accessible.EditableText
+    }
 }

tests/auto/quick/qquickaccessible/tst_qquickaccessible.cpp

@@ -130,7 +130,7 @@ void tst_QQuickAccessible::commonTests_data()
 {
     QTest::addColumn<QString>("accessibleRoleFileName");
 
-    QTest::newRow("StaticText") << "statictext.qml";
+    QTest::newRow("Text") << "text.qml";
     QTest::newRow("PushButton") << "pushbutton.qml";
 }
 
@@ -302,7 +302,7 @@ void tst_QQuickAccessible::basicPropertiesTest()
     QCOMPARE(app->childCount(), 0);
 
     QQuickView *window = new QQuickView();
-    window->setSource(testFileUrl("statictext.qml"));
+    window->setSource(testFileUrl("text.qml"));
     window->show();
     QCOMPARE(app->childCount(), 1);
 
@@ -312,7 +312,7 @@ void tst_QQuickAccessible::basicPropertiesTest()
 
     QAccessibleInterface *item = iface->child(0);
     QVERIFY(item);
-    QCOMPARE(item->childCount(), 2);
+    QCOMPARE(item->childCount(), 4);
     QCOMPARE(item->rect().size(), QSize(400, 400));
     QCOMPARE(item->role(), QAccessible::Client);
     QCOMPARE(iface->indexOfChild(item), 0);
@@ -338,10 +338,50 @@ void tst_QQuickAccessible::basicPropertiesTest()
     QCOMPARE(text2->rect().y(), item->rect().y() + 40);
     QCOMPARE(text2->role(), QAccessible::StaticText);
     QCOMPARE(item->indexOfChild(text2), 1);
+    QCOMPARE(text2->state().editable, 0);
+    QCOMPARE(text2->state().readOnly, 1);
 
     QCOMPARE(iface->indexOfChild(text2), -1);
     QCOMPARE(text2->indexOfChild(item), -1);
 
+    // TextInput
+    QAccessibleInterface *textInput = item->child(2);
+    QVERIFY(textInput);
+    QCOMPARE(textInput->childCount(), 0);
+    QCOMPARE(textInput->role(), QAccessible::EditableText);
+    QCOMPARE(textInput->state().editable, 1);
+    QCOMPARE(textInput->state().readOnly, 0);
+    QCOMPARE(textInput->state().multiLine, 0);
+    QCOMPARE(textInput->state().focusable, 1);
+    QCOMPARE(textInput->text(QAccessible::Value), "A text input");
+    auto textInterface = textInput->textInterface();
+    QVERIFY(textInterface);
+    auto editableTextInterface = textInput->editableTextInterface();
+    QEXPECT_FAIL("", "EditableTextInterface is not implemented", Continue);
+    QVERIFY(editableTextInterface);
+    auto newText = QString("a new text");
+    textInput->setText(QAccessible::Value, newText);
+    QCOMPARE(textInput->text(QAccessible::Value), newText);
+
+    // TextEdit
+    QAccessibleInterface *textEdit = item->child(3);
+    QVERIFY(textEdit);
+    QCOMPARE(textEdit->childCount(), 0);
+    QCOMPARE(textEdit->role(), QAccessible::EditableText);
+    QCOMPARE(textEdit->state().editable, 1);
+    QCOMPARE(textEdit->state().readOnly, 0);
+    QCOMPARE(textEdit->state().focusable, 1);
+    QCOMPARE(textEdit->text(QAccessible::Value), "A multi-line text edit\nTesting Accessibility.");
+    auto textEditTextInterface = textEdit->textInterface();
+    QVERIFY(textEditTextInterface);
+    auto textEditEditableTextInterface = textEdit->editableTextInterface();
+    QEXPECT_FAIL("", "EditableTextInterface is not implemented", Continue);
+    QVERIFY(textEditEditableTextInterface);
+    textEdit->setText(QAccessible::Value, newText);
+    QCOMPARE(textEdit->text(QAccessible::Value), newText);
+    QEXPECT_FAIL("", "multi line is not implemented", Continue);
+    QCOMPARE(textInput->state().multiLine, 1);
+
     delete window;
     QTestAccessibility::clearEvents();
 }